O-ring / 38.70 x 3.50 mm / LS MT3.35 / LS MT3.40 / S801039010 / nr 40029213
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  • O-ring / 38.70 x 3.50 mm / LS MT3.35 / LS MT3.40 / S801039010 / nr 40029213
  • O-ring / 38.70 x 3.50 mm / LS MT3.35 / LS MT3.40 / S801039010 / nr 40029213
  • O-ring / 38.70 x 3.50 mm / LS MT3.35 / LS MT3.40 / S801039010 / nr 40029213

O-ring / 38.70 x 3.50 mm / LS MT3.35 / LS MT3.40 / S801039010 / nr 40029213

Product code: 40029213
Brand LS Tractor
View other model
zł5.28 netto
zł6.49
Includes VAT 23%

Lowest price from 30 days: zł6.49

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Available
19 pieces
Delivery See details Leasing & financing for businesses See details

Product description

O-ring with an internal diameter of 38.70 mm and a thickness of 3.50 mm for LS Tractor series LS MT3.35, LS MT3.40 and other tractors for:

  • hydraulic power steering actuator,
  • 4 x 4 drive shaft housing.

An O-ring is a type of circular seal available in a wide range of sizes and diameters. The primary purpose of an O-ring is to seal in areas where high pressure is not present, but also where it is subjected to high pressure. Under high pressure, an O-ring adopts properties similar to those of a liquid (surface tension, plasticity, etc.), providing excellent sealing properties. An O-ring is also resistant to high temperatures during operation, and the selection of the appropriate one depends on its intended use and the material from which it is made. O-rings in high-pressure devices require the use of a special back-up ring.

Dimensions :

  • thickness: 3.50 mm,
  • inner diameter: 38.70 mm,
  • reference numbers: S801039010.

Tractor models :

  • LS MT3.35,
  • LS MT3.40.

Warehouse : L01:J-3-4

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years.

Specifications

Condition
New
Seal type
O-ring

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Questions & Answers

Why is regular filter replacement (oil, air, fuel) crucial for a mini tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
Regular filter replacement is the easiest way to extend the life of an engine from brands like Kubota or Yanmar. The oil filter removes metallic contaminants generated during operation, the air filter protects the cylinders from field dust, and the fuel filter prevents water and dirt from damaging the precision injection system. We recommend replacing filters every 50-100 operating hours or at least once per season to ensure optimal engine performance.

How to properly select and sharpen mower blades for a Japanese tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
When selecting mower blades, consider the mower deck model and the blade length and center bore diameter. Maintaining blade balance is crucial when sharpening – an unbalanced blade causes vibrations that damage the hub bearings. Remember that sharp blades mean healthier grass, a cleaner cut, and less strain on the engine of your Iseki or Mitsubishi tractor.

How to identify the correct V-belt size and how to care for it?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
It's best to read the markings on the side of the old V-belt. If they are illegible, measure the belt width and its outer length (La). On Shibaura and Hinomoto tractors, it's important to regularly check the belt tension – too loose a belt will cause slippage and faster wear, while too tight a belt can cause alternator or water pump bearing failure.

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